Vaporizer



R. M. RITTER May 25, 1937.

VAPORIZER Filed May 11, 1954 a INVENTQR BY 7w ATTORNEY Patented May 25,1937 UNITED STATES PATENT OFFICE 1 Claim.

The object of this invention is to devise a novel vaporizer which can beused as an evaporator, iumigator, gasifier, disinfector, deodorizer,perfumer, or for similar purposes and which employs a generated heat tovaporize or evaporate emulsions, volatile solid compounds, or volatilechemical liquids.

A further object of the invention is to devise a novel vaporizer,having. a heating chamber with a source of heat and a closure plate orlid which supports the container for the material to be vaporized orevaporated.

The feed of material from the container to the vaporizing plate iscontrolled by relative movement between the container and the means forattaching it to the plate.

With the above and other objects in view as will hereinafter clearlyappear, my invention comprehends a novel vaporizer.

is further comprehends a novel heating chamher having a removableclosure and novel means for connecting a container with said closure sothat the feed from the container may be regulated.

Other novel features of construction and advantage will hereinafter moreclearly appear in the detailed description and the appended claim.

For the purpose of illustrating the invention, 1 have shown, in theaccompanying drawing a typical embodiment of it, whiclnln practice, willgive satisfactory and reliable results. It is, however, to be understoodthat the various instrumentalities of which my invention consists can bevariously arranged and organized, and my invention is not limited totheexact arrangement and organization of these instrumentalitles as hereinsetforth.

Figure l is a side elevation partly in section of a vaporizer embodyingmy invention.

Figure 2 is a sectional view on an enlarged scale showing moreparticularly the manner in which the feed from the container iscontrolled.

Figure 3 is a top plan view of the vaporizer.

Figure 4 is a side elevation of the means for connecting the containerand closure, the closure being shown in section.

Similar numerals indicate corresponding parts.

Referring to the drawing:

i designates a casing or body portion having a heating chamber 2. Thebottom of the casing is deflected upwardly as at 3 to form a heatinsulating space 4. 5 designates a source of heat such as for example anelectric bulb which is carried by a socket 6 inserted through the sidewall of the casing and retained in position by a clamp 1 so that thesocket can be readily renewed, if necessary. 8 designates a closure forthe casing I. This closure has a frictional fit Within the casing toengage the inner wall of the casing near the top and is provided with adepressed portion 9 forming an evaporating plate, preferably corrugatedas at ill to increase the amount of vaporizing surface. The closure isin the form of a shallow pan closing the upper end of the heatingchamber 2. ii designates a connector and feed controlling member, theconstruction and arrangement or which may vary Widely in practice. As Ihave shown a conventional container 82 having a threaded dischargeoutlet, the connector has been shown as a threaded cap having adischarge opening it spaced from the depressed plate portion of theclosure The connector has prefeialoly a flat bottom spaced from theplate t by its securing means it of any desired construction such as forexample by soldering or welding so that discharge cpenlngs it are formedwhich regulate the ratio or the flow of the product to he evaporated.

In the operation, the cap is removed from the conventional container inwhich the material is shipped, and the closure 8 is removed and thecontainer tightly secured to the closure. The closure is then placed onthe casing to form a tight fit therewith and with the bottom of thecontainer pointing upwardly. The heat is turned on. Liquids will flow tothe evaporating plate and up to the level oi the cap outlet, whilevolatile solids will liquefy hy heat and also flow up to the connectorcap outlet. As soon as the heat generated in the heating chamber hasevaporated a sufficient quantity of liquid so that the level oi theliquid on the evaporating plate is below the connector cap outlet,another volume of liquid is released from the container until the capoutlet is again closed, thus providing automatic feeding until theproduct in the container is spent.

If it is desired to feed a larger volume of liquid, the container isunscrewed to increase its spacing from the bottom of the connector.

It will thus be apparent that there is a slow automatic feed of volatilesolids or liquids to the heated vaporizing plate so that fine films ofthe product in the container are continuously evaporated, and also ifdesired heavier layers depending upon the adjustment of the container onthe connector.

- used, there are no fire hazards.

My present invention is suitable for many purposes such as for example,vaporizing oi medicines, disinfecting, deodorizing, tumigating, per-!uming and other uses falling within its scope.

It a closet in the home is to be fumigated to destroy destructiveinsects such as moth larvae, carpet beetles and the like in clothing,carpets or other material, the proper fumigating product is selected andits container connected with the closure. The vaporizer is then placedin the closet, the electric socket connected with a light socket. Thecloset is closed tight for about twenty-four hours with the heat on, Theautomatically released fumes confined to the closet will kill bypenetration all destructive vermin, with no fire hazards involved.

The heating chamber in the closet has a tendency to create a warmatmosphere under which vermin is more active and at the same time moresusceptible to the released fumes, thus creating ideal conditions for aproper iumigating method.

The automatic feeding means is so constructed that it preheats theproduct in the container, so that when it fiows on to thevaporizing'plate it is practically ready for instantaneous evaporation.

My present method has evident advantages over prior methods using directopen heat without automatic feeding with the intention of evaporatinglarge volumes at a time, requiring a large amount of heat, whereas in myinvention a film oi the product is automatically led in a pres,os1,7os

heated condition to an evaporating plate without using a powerfulheating unit.

My present invention can be economically manufactured, and can beemployed by persons who are unskilled in the art of vaporizing andtumigatlng.

It will now be apparent that I have devised a new and useiul vaporizerwhich embodies the features of advantage enumerated as desirable in thestatement the invention .and the above description, and while I have, inthe present instance, shown and described a preferred embodiment thereofwhich will give in practice satistactory and reliable results, it is tobe understood that this embodiment is susceptible of modification invarious particulars without departing from the spirit or scope of theinvention or sacrificing any of its advantages.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent is:

In a vaporizer, an imperiorate casing having its bottom deflectedupwardly to form an insulating space, an imperiorate cover in frictionalengagement with the walls of said casing and defiected downwardly toform an evaporating surface, an electric light bulb within said casing,an inverted screw cap having an opening in its bottom, means to securesaid, bottom to said cover at opposite points togspace its dischargeopening i'rom the-cover, and an inverted container for the product to bevaporized having a screw threaded discharge end to be screwed into saidcap.

RICHARD M. BITTER.

